The pipes are for the ultimas just a little tall so I could test fill,I will be shortening them. I think this was a reef tank in it's Prior life. If you look at the picture you can see I have 3 holes I still need to plug. I am(was) going to use ultimas. However, I can not in good faith(and my farm boy fix anything history) pay that kind of price for a pool filter hybrid. I have order 2 Hayward s166t's and am modifying them, I ordered the media and the down tube with the Ultima adaption from Aqua Ultraviolet. If it doesn't work I''ll recoup 75 percent by selling them on craigslist, and i'll buy the ultima 2000s. But, I could not just throw away 1000 dollars without trying a DIY modification.
next we will be getting the backwash water line, fill water line and the 220 volt electrical run up and through the 8 inch cement wall. I was hopping to go though the hollow cement bricks, but the bricks start higher up. We have to jack hammer though solid cement with rebar reinforcements. 3 holes total. Chances are good we are going to hit rebar and need to torch it out.